The present invention relates to a drill for implant surgery drill for implant surgery, including: a drill connecting part 10 having a drill top portion 11 formed at one side of the top portion thereof, a drill fixing groove 12 formed on the lower portion of the drill top portion 11, and a drill connecting body 13 formed on the lower portion of the drill fixing groove； and a drilling part 20 disposed on the underside of the drill connecting part 10 and having a cylindrical shape in such a manner as to be small in diameter toward the lower portion thereof and to have a space portion formed at the inside thereof, the drilling part 20 having a plurality of side piercing portions 22 equally spaced apart from each other along the outer periphery thereof in such a manner as to be pierced into the space portion formed at the inside thereof, a plurality of side bone cutting blades 21 formed along one side edges of the plurality of side piercing portions 22, and a toothed lower bone cutting blade 30 formed along the end periphery of the lower portion thereof.【解決手段】本発明は、ドリル連結部１０と、前記ドリル連結部１０の下部にドリル部２０が位置した構造であり、前記ドリル連結部１０は、上部の一側に設けられたドリル上部１１と、前記ドリル上部１１の下部に形成されたドリル固定溝１２と、前記ドリル固定溝１２の下部に設けられたドリル連結胴体１３で構成され、前記ドリル部２０は円筒状であり、下部に行くほど直径が狭くなり、内部には空間部が形成されており、側面には一定の間隔で離隔されて内部空間部に貫通された多数の側面貫通部２２と、前記多数の側面貫通部２２の一側周縁に設けられた多数の側面骨切削カッタ２１と、下部末端部に設けられた鋸歯状の下部骨切削カッタ３０と、で構成されたインプラント用ドリルに関する。【選択図】図１
